GOD'S GIFT OF SUNLIGHT 300 



they began to ask questions about these changes 

 and what the sun had to do with them. You can 

 ask some one who knows, but they could not. 

 They had to think out answers for themselves. 



Many long ages it has taken men to answer these 

 questions. They have felt their way along, making 

 many mistakes, yet always coming nearer and 

 nearer to the truth; for was not the spirit of God 

 leading them on? 



The thinkers came to beheve at last that the 

 earth was round like a ball, but it was centuries 

 before a daring Portuguese mariner started out to 

 sail entirely around our globe. One ship of the ex- 

 pedition succeeded in sailing around and coming 

 back to port. Then people knew that, indeed, the 

 earth must be round. 



''If the earth is round like a ball, the other 

 heavenly bodies must be round also," said the 

 thinkers. But, until Galileo made his telescope, no 

 one could prove it. When he looked at the moon 

 through the leaden tube in which he had placed the 

 two pieces of lens-shaped glass that he had made, he 

 could see that it really was round. With larger and 

 larger telescopes the men who have searched the 

 starry sky have discovered many wonders in the 

 universe. Do you think those searchers of the sky 

 were eager to find out about the sun, what it really 

 is, what makes its light and heat, and how far away 

 it is? Indeed, many men have spent their lives trying 

 to learn more and more about the great orb upon 

 which the world itself and everything on it depends. 



You shall hear some of the truths that they have 



